Home / 751,285.86-1,126,941.14-211,555.11

Finding the Fourth Proportional to 751,285.86, 1,126,941.14 and 211,555.11

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Solution

The fourth proportional to 751,285.86, 1,126,941.14 and 211,555.11 is: 317,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,285.86 : 1,126,941.14 = 211,555.11 : x
  2. Step 2: Convert to fraction form
    751,285.86/1,126,941.14 = 211,555.11/x
  3. Step 3: Cross multiply
    751,285.86x = 1,126,941.14 × 211,555.11
  4. Step 4: Simplify right side
    751,285.86x = 238,410,156,836.23
  5. Step 5: Solve for x
    x = 238,410,156,836.23/751,285.86
  6. Step 6: Final answer
    x = 317,336.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.